pros and cons of Territory management

Did you get a chance to go through the decision guide for Territory Management : http://www.salesforce.com/docs/en/cce/tm_decision_guide/tm_decision_guide.pdf

This explains well as to when you should opt to enable this feature on your ORG. Additional pros and cons shared here:http://salesforce.stackexchange.com/questions/10649/what-are-the-drawbacks-of-using-territory-management